1Z1-809真題材料,1Z1-809考試內容 - Oracle 1Z1-809考題資訊 - Royalholidayclubbed

 

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我們Royalholidayclubbed提供的培訓工具包含我們的IT專家團隊研究出來的備考心得和相關的考試材料。也有關於Oracle 1z1-809真題材料認證考試的考試練習題和答案。以我們Royalholidayclubbed在IT行業中的高信譽度可以給你提供100%的保障,為了讓你更安心的選擇購買我們,你可以先嘗試在網上下載我們提供的關於Oracle 1z1-809真題材料認證考試的部分考題及答案。 不需要大量的時間和金錢,僅需30個小時左右的特殊培訓,你就能輕鬆通過你的第一次參加的Oracle 1z1-809真題材料 認證考試。Royalholidayclubbed能為你提供與真實的考試題目有緊密相似性的考試練習題。 Royalholidayclubbed提供的培訓資料不僅包括與Oracle 1z1-809真題材料認證考試相關的資訊技術培訓資料,來鞏固專業知識,而且還有準確性很高的關於Oracle 1z1-809真題材料的認證考試的相關考試練習題和答案。

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用最放鬆的心態面對一切艱難。Oracle的1z1-809真題材料考試雖然很艱難,但我們考生要用最放鬆的心態來面對一切艱難,因為Royalholidayclubbed Oracle的1z1-809真題材料考試培訓資料會幫助我們順利通過考試,有了它我們就不會害怕,不會迷茫。Royalholidayclubbed Oracle的1z1-809真題材料考試培訓資料是我們考生的最佳良藥。

關於Oracle的Oracle 1z1-809真題材料考試,你一定不陌生吧。

IT行業中很多雄心勃勃的專業人士為了在IT行業中能更上一層樓,離IT頂峰更近一步,都會選擇Oracle 1z1-809真題材料這個難度較高的認證考試來獲取通認證證書從而獲得行業認可。Oracle 1z1-809真題材料 的難度比較高所以通過率也比較低。但是報名參加Oracle 1z1-809真題材料 認證考試是個明智的選擇,因為在如今競爭激烈的IT行業應該要不斷的提升自己。但是您可以選擇很多方式幫你通過考試。

只要你認真學習了Royalholidayclubbed的考古題,你就可以輕鬆地通過你想要參加的考試。不管你參加IT認證的哪個考試,Royalholidayclubbed的參考資料都可以給你很大的幫助。

1z1-809 PDF DEMO:

QUESTION NO: 1
Given the code fragments:
class Employee {
Optional<Address> address;
Employee (Optional<Address> address) {
this.address = address;
}
public Optional<Address> getAddress() { return address; }
}
class Address {
String city = "New York";
public String getCity { return city: }
public String toString() {
return city;
}
}
and
Address address = null;
Optional<Address> addrs1 = Optional.ofNullable (address);
Employee e1 = new Employee (addrs1);
String eAddress = (addrs1.isPresent()) ? addrs1.get().getCity() : "City Not available"; What is the result?
A. City Not available
B. null
C. New York
D. A NoSuchElementException is thrown at run time.
Answer: A

QUESTION NO: 2
Given that course.txt is accessible and contains:
Course : : Java
and given the code fragment:
public static void main (String[ ] args) {
int i;
char c;
try (FileInputStream fis = new FileInputStream ("course.txt");
InputStreamReader isr = new InputStreamReader(fis);) {
while (isr.ready()) { //line n1
isr.skip(2);
i = isr.read ();
c = (char) i;
System.out.print(c);
}
} catch (Exception e) {
e.printStackTrace();
}
}
What is the result?
A. ueJa
B. The program prints nothing.
C. ur :: va
D. A compilation error occurs at line n1.
Answer: A

QUESTION NO: 3
Given that /green.txt and /colors/yellow.txt are accessible, and the code fragment:
Path source = Paths.get("/green.txt);
Path target = Paths.get("/colors/yellow.txt);
Files.move(source, target, StandardCopyOption.ATOMIC_MOVE);
Files.delete(source);
Which statement is true?
A. A FileAlreadyExistsException is thrown at runtime.
B. The file green.txt is moved to the /colors directory.
C. The yellow.txt file content is replaced by the green.txt file content and an exception is thrown.
D. The green.txt file content is replaced by the yellow.txt file content and the yellow.txt file is deleted.
Answer: A

QUESTION NO: 4
Given the code fragments:
4. void doStuff() throws ArithmeticException, NumberFormatException, Exception {
5. if (Math.random() >-1 throw new Exception ("Try again");
6. }
and
24. try {
25. doStuff ( ):
26. } catch (ArithmeticException | NumberFormatException | Exception e) {
27. System.out.println (e.getMessage()); }
28. catch (Exception e) {
29. System.out.println (e.getMessage()); }
30. }
Which modification enables the code to print Try again?
A. Replace line 27 with:throw e;
B. Comment the lines 28, 29 and 30.
C. Replace line 26 with:} catch (ArithmeticException | NumberFormatException e) {
D. Replace line 26 with:} catch (Exception | ArithmeticException | NumberFormatException e) {
Answer: C

QUESTION NO: 5
Given:
and this code fragment:
What is the result?
A. Open-Close-Open-
B. Open-Close-Exception - 1Open-Close-
C. A compilation error occurs at line n1.
D. Open-Close-Open-Close-
Answer: C

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Updated: May 28, 2022

 

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Revised: 21 Oct 2007

 

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